APA (7th ed.) Citation

Emberley, M. (1990). Ruby (1. Paperback ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Emberley, Michael. Ruby. 1. Paperback ed. Boston: Little, Brown, 1990.

MLA (9th ed.) Citation

Emberley, Michael. Ruby. 1. Paperback ed. Little, Brown, 1990.

Warning: These citations may not always be 100% accurate.